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发明名称
Raubbarer Gebirgsanker
摘要
申请公布号
DE1161227(B)
申请公布日期
1964.01.16
申请号
DE1959D030916
申请日期
1959.06.22
申请人
DOWTY MINING EQUIPMENT LIMITED
发明人
MILLS JOSEPH ALEXANDER WALLACE;KINGS CHARLTON;CANNON DENNIS HENRY
分类号
E21D20/00
主分类号
E21D20/00
代理机构
代理人
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